US4104434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sizing composition and glass fibers sized therewith
Assignee: Owens Corning
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Filing: 1976-01-23
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Granted: 1978-08-01
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Expires: 1996-01-23
Abstract
Abstract Fibers coated with a size composition comprising a water emulsifiable resin system, an aliphatic monocarboxylic acid and an aliphatic polycarboxylic acid exhibit less size migration when the sized fibers are dried in the form of a forming package.
Inventors
- 👤 Carl A. Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:19
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/36; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964; Y10T442/00; Y10T442/20; Y10T442/2402
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
56 words
At least one glass fiber coated with a composition comprising a water emulsifiable resin system and an emulsifiable lubricant in a ratio by weight of about 1:2 to about 2:1 respectively, a water-soluble, volatile aliphatic monocarboxylic acid containing from 1 to 8 carbon atoms and an aliphatic polycarboxylic acid containing from 2 to 9 carbon atoms.
Claim 2
Dependent Claim
56 words
At least one glass fiber coated with a composition comprising a water emulsifiable resin system and an emulsifiable lubricant in a ratio by weight of about 1:2 to about 2:1 respectively, a water-soluble, volatile aliphatic monocarboxylic acid containing from 1 to 8 carbon atoms and an aliphatic polycarboxylic acid containing from 2 to 9 carbon atoms.
Claim 3
Dependent Claim
33 words
The glass fiber of claim 1 in which said monocarboxylic acid is selected from the group consisting of acetic acid, formic acid, lactic acid, propionic acid, butyric acid, valeric acid and ethylhexanoic acid.
Claim 4
Dependent Claim
29 words
The glass fiber of claim 1 in which said polycarboxylic acid is selected from the group consisting of citric acid, oxalic acid, itaconic acid, succinic acid and azelaic acid.
Claim 5
Dependent Claim
36 words
The glass fiber of claim 1 in which said monocarboxylic acid is present in said composition in an amount within a range of from about 0.06 to about 0.40 percent by weight of the total composition.
Claim 6
Dependent Claim
29 words
The glass fiber of claim 1 in which said polycarboxylic acid is present in an amount within the range of from about 0.06 to about 0.18 percent by weight.
Claim 7
Dependent Claim
62 words
The glass fiber of claim 1 in which said water emulsifiable resin system comprise a composition having the formula ##STR32## in an amount of about 2.0 percent by weight, said monocarboxylic acid is formic acid present in an amount of about 0.12 percent by weight, and said polycarboxylic acid is citric acid present in an amount of about 0.12 percent by weight.
Claim 8
Dependent Claim
19 words
The glass fiber of claim 1 in which said glass fiber is in the form of a forming package.
Claim 9
Dependent Claim
35 words
At least one glass fiber coated with a composition comprising a water emulsifiable resin system and an emulsifiable lubricant in a ratio by weight of about 1:2 to 2:1 respectively, formic acid and citric acid.
Claim 10
Dependent Claim
35 words
At least one glass fiber coated with a composition comprising a water emulsifiable resin system and an emulsifiable lubricant in a ratio by weight of about 1:2 to 2:1 respectively, formic acid and citric acid.
Claim 11
Dependent Claim
52 words
Strands comprising a plurality of glass fibers coated with a composition comprising a water emulsifiable resin system and an emulsifiable lubricant in a ratio by weight of between about 1:2 and about 2:1 respectively, a water-soluble, volatile aliphatic monocarboxylic acid containing from 1 to 8 carbon atoms and an aliphatic polycarboxylic acid.
Claim 12
Dependent Claim
52 words
Strands comprising a plurality of glass fibers coated with a composition comprising a water emulsifiable resin system and an emulsifiable lubricant in a ratio by weight of between about 1:2 and about 2:1 respectively, a water-soluble, volatile aliphatic monocarboxylic acid containing from 1 to 8 carbon atoms and an aliphatic polycarboxylic acid.
Claim 13
Dependent Claim
53 words
Woven fabrics comprising a plurality of glass fibers coated with a composition comprising a water emulsifiable resin system and an emulsifiable lubricant in a ratio by weight of between about 1:2 to about 2:1 respectively, a water-soluble, volatile aliphatic monocarboxylic acid containing from 1 to 8 carbon atoms and an aliphatic polycarboxylic acid.
Claim 14
Dependent Claim
53 words
Woven fabrics comprising a plurality of glass fibers coated with a composition comprising a water emulsifiable resin system and an emulsifiable lubricant in a ratio by weight of between about 1:2 to about 2:1 respectively, a water-soluble, volatile aliphatic monocarboxylic acid containing from 1 to 8 carbon atoms and an aliphatic polycarboxylic acid.
Claim 15
Dependent Claim
44 words
Yarns comprising a plurality of glass fibers coated with a composition comprising a water emulsifiable resins system and an emulsifiable lubricant in a weight ratio of between about 1:2 and about 2:1 respectively, a water-soluble, volatile aliphatic monocarboxylic acid and an aliphatic polycarboxylic acid.
Claim 16
Dependent Claim
44 words
Yarns comprising a plurality of glass fibers coated with a composition comprising a water emulsifiable resins system and an emulsifiable lubricant in a weight ratio of between about 1:2 and about 2:1 respectively, a water-soluble, volatile aliphatic monocarboxylic acid and an aliphatic polycarboxylic acid.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-31 | 1982-01-30 | 1982-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-31 | 1986-01-30 | 1986-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-31 | 1990-01-30 | 1990-08-01 | $7700.00 | Window Closed / Lapsed |